Home / 39,129.39-58,698.72-14,181.21

Finding the Fourth Proportional to 39,129.39, 58,698.72 and 14,181.21

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Solution

The fourth proportional to 39,129.39, 58,698.72 and 14,181.21 is: 21,273.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,129.39 : 58,698.72 = 14,181.21 : x
  2. Step 2: Convert to fraction form
    39,129.39/58,698.72 = 14,181.21/x
  3. Step 3: Cross multiply
    39,129.39x = 58,698.72 × 14,181.21
  4. Step 4: Simplify right side
    39,129.39x = 832,418,875.05
  5. Step 5: Solve for x
    x = 832,418,875.05/39,129.39
  6. Step 6: Final answer
    x = 21,273.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.